At the main menu, press Select, Start, Select(2), Start, Select(3), Start, Select(4), Start. If you entered the code correctly, the phrase "Arcade mode" will appear. Then, all secret areas from the arcade version of the game will now be accessible.
| Joker Command | D008E058 ???? |
| Infinite Lives P1 | 8006E7F0 0007 |
| Infinite Ammo P1 | 8006E844 0008 |
| Infinite Lives P2 | 8006E880 0007 |
| Infinite Ammo P2 | 8006E8D4 0008 |
| All Mission Available | 80069CFC 0001 80069D00 0001 8006A0A8 0001 8006E898 0001 |
| Have Special Weapons | 8006E840 0001 8006E840 0002 8006E8D0 0001 8006E8D0 0002 |